* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download SCM 542 Assignment 1 Due July 12, 2002 Each Question is worth
Survey
Document related concepts
Transcript
SCM 542 Assignment 1 Each Question is worth 0.4 points * Due July 12, 2002 1. Which of the following forces is an example of a force which acts at a distance (field force)? a) b) c) d) gravitational magnetic electrical all of the above Answer: 2. Which of the following statements expresses a principle which was initially stated by Galileo and was later incorporated into Newton's laws of motion? a) b) c) d) An object's acceleration is inversely proportional to its mass. For every action there is an equal but opposite reaction. The natural condition for a moving object is to remain in motion. The natural condition for a moving object is to come to rest. Answer: 3. If we know an object is moving at a constant velocity, we must assume: a) b) c) d) There is no net force acting on the object. There are no forces acting on the object. The object is accelerating. The object is losing mass. Answer: 4. If an object is at rest, there are no forces axcting on it. a) True b) False Answer: 5. Mass a) b) c) d) Answer: is a measure of inertia. can have the units of kilograms. is neither A nor B. is both A and B.